Double Wall 16 oz. Red Party Cup - 4 Pack- Reusable Beverage Cup - Insulated for Drinking Beer Red cup, it's time to party! (Insulated) Durable, Reusable, Insulated Design - Better than flimsy disposable cups, these are shatterproof, eco friendly, and dishwasher safe. Dishwasher Safe, BPA Free- Made of strong, safe, non-toxic plastic that is top-rack dishwasher safe. won't Crack in Your Hand - Unbreakable plastic that won't split with a tight grip means you won't end up with a mess everywhere. Father's Day, housewarming, or birthday? Great for Keggers! Do they still have keggers?